<div [hidden]="!authenticated" style="text-align:center">
  <h1>
    Welcome to {{ title }}!!
  </h1>
  <button (click)="getOrder()" type="button" class="btn btn-primary">Get Order Info</button>
  <p>order id :{{ order.id }}</p>
  <p>order product id :{{ order.productId }}</p>
  <button (click)="logout()" type="button" class="btn btn-primary">Logout</button>
</div>